Discourse markers have variant degrees of semantic meaning; they are utterance-initial; and they can signal a discourse relationship or signal a writerâs or a speakerâs attitude. When we are planning to write a well-organized text, cohesion and coherence must be taken into
Here are some causes of Infected Koilonychia: 1  trauma. 2  illness. 3  malnutrition. or any major metabolic condition,  chemotherapy or other damaging event.
Koilonychia, the medical term given to weak nails that curl upward, have a unique presentation. According to the Mayo Clinic, the nail bed itself is concave, and in more extreme cases is scooped out enough to hold a small drop of liquid. The nail itself is thin and fragile.